From the fine people at Pokezine.com, we have this awesome free contest for you where you can enter to win an adorably rare plush of Pikachu dressed up in a Charizard costume! All you need to do is enter your email and answer a dead-simple trivia question, and you're in. Good luck. Here are further details from the contest page:
Pokemon Center Mega Tokyo 2015 Grand Opening Pikachu ”Pikazard” large size plush toy. It was sold at the Japan Pokemon Centers April, 2015, for a very limited time and in very limited quantity.